The new residence requirements for in the Australian Citizenship Act 2007 mean that applicants will need:
four (4) years lawful residence in Australia immediately prior to making an application for Australian citizenship with at least 12 months as a permanent resident, and
absences from Australia of no more than 12 months in total in the four (4) years prior to application, and no more than ninety (90) days in the 12 month permanent residency period prior to application.
yes you are right, i just searched and the previous rule has been taken back.